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  <title>Get array with contents of getaddrinfo about the given hostname</title>
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  <div id="layout-content"><div id="function.socket-addrinfo-lookup" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">socket_addrinfo_lookup</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.2.0)</p><p class="refpurpose"><span class="refname">socket_addrinfo_lookup</span> &mdash; <span class="dc-title">Get array with contents of getaddrinfo about the given hostname</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.socket-addrinfo-lookup-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>socket_addrinfo_lookup</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$host</code></span>
   [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$service</code></span>
   [, <span class="methodparam"><span class="type">array</span> <code class="parameter">$hints</code></span>
  ]] ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
   Lookup different ways we can connect to <code class="parameter">host</code>.  The returned array contains
   a set of resources that we can bind to using <span class="function"><a href="socket_addrinfo_bind.html" class="function">socket_addrinfo_bind()</a></span>.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.socket-addrinfo-lookup-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">host</code></dt>

    <dd>

     <p class="para">
      Hostname to search.
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">service</code></dt>

    <dd>

     <p class="para">
      The service to connect to.  If service is a name, it is translated to the corresponding
      port number.
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">hints</code></dt>

    <dd>

     <p class="para">
      Hints provide criteria for selecting addresses returned.  You may specify the
      hints as defined by getadrinfo.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.socket-addrinfo-lookup-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an array of AddrInfo resource handles that can be used with the other socket_addrinfo functions.
  </p>
 </div>

 
 <div class="refsect1 seealso" id="refsect1-function.socket-addrinfo-lookup-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="socket_addrinfo_bind.html" class="function" rel="rdfs-seeAlso">socket_addrinfo_bind()</a> - Create and bind to a socket from a given addrinfo</span></li>
    <li class="member"><span class="function"><a href="socket_addrinfo_connect.html" class="function" rel="rdfs-seeAlso">socket_addrinfo_connect()</a> - Create and connect to a socket from a given addrinfo</span></li>
    <li class="member"><span class="function"><a href="socket_addrinfo_explain.html" class="function" rel="rdfs-seeAlso">socket_addrinfo_explain()</a> - Get information about addrinfo</span></li>
   </ul>
  </p>
 </div>


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